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sched: Be explicit with loading of the waketime variable

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Explicilty load the timer waketime variable into local variables in
sched_timer_kick().  Change the optimization level from Os to O2.
This helps gcc to avoid unnecessary reloads from memory in the common
stepper_event() case.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-03-21 01:21:23 -04:00
parent 4dfa6c6ee4
commit 59b71d5d05
6 changed files with 26 additions and 26 deletions
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2
src/generic/timer.c
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@ -50,7 +50,7 @@ static uint32_t timer_repeat_until;
// if the next timer is too close to schedule. Caller must disable
// irqs.
uint8_t
timer_try_set_next(uint32_t next)
timer_try_set_next(unsigned int next)
{
uint32_t now = timer_read_time();
int32_t diff = next - now;